Equity Plans (Tables)

9 Months Ended

Sep. 30, 2015

Disclosure of Compensation Related Costs, Share-based Payments [Abstract]

Schedule of Compensation Cost for Share-based Payment Arrangements, Allocation of Share-based Compensation Costs by Plan

A summary of compensation costs charged to income, proceeds from the exercise of stock options and similar instruments, and the tax benefit realized from stock options and similar instruments exercised, that were recorded to additional paid-in capital and common stock, by award type, are presented below for the three and nine months ended September 30, 2015 and 2014.



	Three months ended September 30,				Nine months ended September 30,
	2015		2014		2015		2014
Adjustments to additional paid-in capital and common stock for:
Compensation costs charged to income:
ESPP	$	82	76		$	158	148
Restricted stock and deferred restricted stock	365		247		1,050		626
Total compensation costs charged to income	$	447	323		$	1,208	774
Excess tax benefits realized from share options exercised and stock issuance:
Stock options	$	—	—		$	—	59
Restricted stock and deferred restricted stock	—		(3	)	634		247
Total excess tax benefits realized from share options exercised and stock issuance	$	—	(3	)	$	634	306
Proceeds from the exercise of stock options and similar instruments:
Stock options	$	—	—		$	—	44
DRSPP	—		—		—		34
ESPP	462		433		895		839
Total proceeds from the exercise of stock options and similar instruments	$	462	433		$	895	917